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Finding the Fourth Proportional to 612,067.30, 844,514.49 and 370,343.86

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Solution

The fourth proportional to 612,067.30, 844,514.49 and 370,343.86 is: 510,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,067.30 : 844,514.49 = 370,343.86 : x
  2. Step 2: Convert to fraction form
    612,067.30/844,514.49 = 370,343.86/x
  3. Step 3: Cross multiply
    612,067.30x = 844,514.49 × 370,343.86
  4. Step 4: Simplify right side
    612,067.30x = 312,760,756,052.53
  5. Step 5: Solve for x
    x = 312,760,756,052.53/612,067.30
  6. Step 6: Final answer
    x = 510,990.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.